How are samples received in the laboratory?
To use the foliar analysis service at the Cenicaña Chemistry laboratory, the user must deliver:
- Samples of foliar tissue.
- The Request Form for Soil and Leaf Tissue Analysis Services completed to:
- External customer: Download here
- Internal customer: Cenicaña staff only
(Fill out the two tabs of the downloaded file: Request and List of Samples) and if required, the Analysis Request form for fertilizer recommendations (DP.PF1.2-P01-F03)
- Copy of the consignment or payment receipt (Bancolombia Savings Account No. 3068-7171-376)
- Copy of the updated Single Tax Registry (RUT) certificate.
The soil samples are received in the Chemistry laboratory located in the experimental station of Cenicaña, from Monday to Friday, from 7:30 am to 12:00 pm and from 1:00 pm to 4:00 pm.
Service value by type of analysis
Includes the elements nitrogen (N), phosphorus (P), potassium (K), calcium (Ca) and magnesium (Mg)
Cost for major elements: $47.870
Cost per item: $11.330
It includes the elements iron (Fe), manganese (Mn), copper (Cu), zinc (Zn) and boron (B).
Cost for minor items: $63.010
Cost per item: $13.860
Complete analisis: $110.890
It includes major elements plus minor elements.
Sulfur (S): $11.330.
All prices are effective as of January 1, 2023. Estimated time for delivery of results: fifteen (15) business days from receipt of samples.
Methodologies for tissue analysis
Determination of major elements
Nitrogen: Kjeldahl Method.
Phosphorus: Colorimetric Method.
Calcium, Magnesium and Potassium: Atomic absorption spectroscopy method.
Determination of minor elements
Iron, Copper, Manganese and Zinc: Atomic absorption spectroscopy method (nitric-perchloric mixture).
Colorimetric method (from Azomethina-H).